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108 lines
1.8 KiB
108 lines
1.8 KiB
package redis
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import (
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"errors"
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"git.tetele.net/tgo/helper"
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redisdb "github.com/gomodule/redigo/redis"
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)
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//取值
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func GetString(key string) (string, error) {
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c := GetConn()
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str, err := redisdb.String(c.Do("get", key))
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CloseConn(c)
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return str, err
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}
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/*
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* 存值,
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* args,范围(key, value)或(key, value,expire)
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* 2020/06/06
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*/
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func Set(args ...interface{}) (string, error) {
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c := GetConn()
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if len(args) < 2 {
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return "", errors.New("参数错误，至少需两个参数")
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}
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var err error
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var reply interface{}
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if len(args) > 2 && helper.ToInt(args[2]) > 0 {
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reply, err = c.Do("SET", args[0], args[1], "EX", args[2]) //设置过期时间
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} else {
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reply, err = c.Do("SET", args[0], args[1])
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}
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CloseConn(c)
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if err != nil {
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return "", err
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}
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ret, err := redisdb.String(reply, err)
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return ret, err
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}
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/**
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* 删除key
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*/
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func Del(key string) (int64, error) {
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c := GetConn()
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var err error
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var reply interface{}
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reply, err = c.Do("DEL", key)
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CloseConn(c)
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if err != nil {
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return 0, err
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}
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ret, err := redisdb.Int64(reply, err)
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return ret, err
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}
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/**
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* 设锁
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* 2020/01/15
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*/
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func SetNx(args ...interface{}) (int64, error) {
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c := GetConn()
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if len(args) < 2 {
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return 0, errors.New("参数错误，至少需两个参数")
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}
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var err error
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var result interface{}
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if len(args) > 2 && helper.ToInt(args[2]) > 0 {
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result, err = c.Do("SET", args[0],args[1],"EX",args[2],"NX") //设置过期时间
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} else {
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result, err = c.Do("SETNX", args[0], args[1])
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}
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if err != nil {
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return 0, err
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}
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CloseConn(c)
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if helper.ToStr(result) == "OK"{
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return 1, nil
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}
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return 0,nil
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}
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/**
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* key是否存在
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*/
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func Exists(key string) (int64, error) {
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c := GetConn()
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var err error
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var reply interface{}
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reply, err = c.Do("Exists", key)
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CloseConn(c)
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if err != nil {
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return 0, err
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}
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ret, err := redisdb.Int64(reply, err)
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return ret, err
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}
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